A total of 50 cars are set to take part in the IMSA WeatherTech SportsCar Championship season-opening event, featuring a 20-car Prototype grid. The list is headlined by Formula 1 superstar Fernando Alonso but also includes notables from IndyCar and international sports car competition.

Acura Team Penske and Mazda Team Joest will debut new and updated DPi entries, in addition to the returning Cadillac and Nissan efforts from Wayne Taylor Racing, Action Express Racing, Spirit of Daytona and Tequila Patron ESM.

Nine cars are entered for the GT Le Mans divisions, including the debut of new MBW M8 GTE, while GT Daytona features 21 cars and eight different GT3 manufacturers.

The Rolex 24 will take place this weekend, Jan. 26-28. The complete entry list can be viewed below. You may need to activate the Adobe PDF plug-in to view the file.